Free tools for AI visibility and product metrics
Check what AI crawlers may read, validate and write llms.txt, tag your links and work out the numbers behind retention and revenue. No sign-up.
AI visibility
- AI crawler checkerSee which AI crawlers your robots.txt lets in: ChatGPT, Perplexity, Claude, Google, Apple, Amazon and Meta.
- robots.txt checker and testerPaste or fetch a robots.txt and test any URL against any user agent, with the rule that decided it.
- llms.txt checkerFetch or paste an llms.txt and check it against the llmstxt.org format, link by link.
- llms.txt generatorWrite a valid llms.txt from a form, or start from your sitemap, and copy or download it.
Marketing and product metrics
- UTM builderAdd utm_source, utm_medium and utm_campaign to a link without breaking its other parameters.
- Churn rate calculatorCustomer churn rate for any period from customers at the start and customers lost.
- Customer retention rate calculatorCustomer retention rate from customers at the start, at the end and acquired during the period.
- Customer lifetime value calculatorCustomer lifetime value from revenue per customer, gross margin and monthly churn.
- Conversion rate calculatorConversion rate from visitors and conversions, and the conversions needed to reach a target rate.
Send your first event today.
7 days free on any plan, up to 500 events. Then from $17 a month. Cancel during the trial and you pay nothing.